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Finding the Fourth Proportional to 574,097.56, 861,205.02 and 219,410.08

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Solution

The fourth proportional to 574,097.56, 861,205.02 and 219,410.08 is: 329,137.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,097.56 : 861,205.02 = 219,410.08 : x
  2. Step 2: Convert to fraction form
    574,097.56/861,205.02 = 219,410.08/x
  3. Step 3: Cross multiply
    574,097.56x = 861,205.02 × 219,410.08
  4. Step 4: Simplify right side
    574,097.56x = 188,957,062,334.60
  5. Step 5: Solve for x
    x = 188,957,062,334.60/574,097.56
  6. Step 6: Final answer
    x = 329,137.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.